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* [PATCH] /proc/stat: fix wrong cpustat gnice value
@ 2019-12-05  0:39 Flavio Leitner
  2019-12-05  1:58 ` Frederic Weisbecker
  0 siblings, 1 reply; 2+ messages in thread
From: Flavio Leitner @ 2019-12-05  0:39 UTC (permalink / raw)
  To: linux-kernel; +Cc: Frederic Weisbecker

The value being used for guest_nice should be CPUTIME_GUEST_NICE
and not CPUTIME_USER.

Fixes: 26dae145a76c "procfs: Use all-in-one vtime aware kcpustat accessor"
Signed-off-by: Flavio Leitner <fbl@sysclose.org>
---
 fs/proc/stat.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index 37bdbec5b402..fd931d3e77be 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -134,7 +134,7 @@ static int show_stat(struct seq_file *p, void *v)
 		softirq		+= cpustat[CPUTIME_SOFTIRQ];
 		steal		+= cpustat[CPUTIME_STEAL];
 		guest		+= cpustat[CPUTIME_GUEST];
-		guest_nice	+= cpustat[CPUTIME_USER];
+		guest_nice	+= cpustat[CPUTIME_GUEST_NICE];
 		sum		+= kstat_cpu_irqs_sum(i);
 		sum		+= arch_irq_stat_cpu(i);
 
@@ -175,7 +175,7 @@ static int show_stat(struct seq_file *p, void *v)
 		softirq		= cpustat[CPUTIME_SOFTIRQ];
 		steal		= cpustat[CPUTIME_STEAL];
 		guest		= cpustat[CPUTIME_GUEST];
-		guest_nice	= cpustat[CPUTIME_USER];
+		guest_nice	= cpustat[CPUTIME_GUEST_NICE];
 		seq_printf(p, "cpu%d", i);
 		seq_put_decimal_ull(p, " ", nsec_to_clock_t(user));
 		seq_put_decimal_ull(p, " ", nsec_to_clock_t(nice));
-- 
2.23.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] /proc/stat: fix wrong cpustat gnice value
  2019-12-05  0:39 [PATCH] /proc/stat: fix wrong cpustat gnice value Flavio Leitner
@ 2019-12-05  1:58 ` Frederic Weisbecker
  0 siblings, 0 replies; 2+ messages in thread
From: Frederic Weisbecker @ 2019-12-05  1:58 UTC (permalink / raw)
  To: Flavio Leitner; +Cc: linux-kernel

On Wed, Dec 04, 2019 at 09:39:36PM -0300, Flavio Leitner wrote:
> The value being used for guest_nice should be CPUTIME_GUEST_NICE
> and not CPUTIME_USER.
> 
> Fixes: 26dae145a76c "procfs: Use all-in-one vtime aware kcpustat accessor"
> Signed-off-by: Flavio Leitner <fbl@sysclose.org>

Good catch, thanks!

> ---
>  fs/proc/stat.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/proc/stat.c b/fs/proc/stat.c
> index 37bdbec5b402..fd931d3e77be 100644
> --- a/fs/proc/stat.c
> +++ b/fs/proc/stat.c
> @@ -134,7 +134,7 @@ static int show_stat(struct seq_file *p, void *v)
>  		softirq		+= cpustat[CPUTIME_SOFTIRQ];
>  		steal		+= cpustat[CPUTIME_STEAL];
>  		guest		+= cpustat[CPUTIME_GUEST];
> -		guest_nice	+= cpustat[CPUTIME_USER];
> +		guest_nice	+= cpustat[CPUTIME_GUEST_NICE];
>  		sum		+= kstat_cpu_irqs_sum(i);
>  		sum		+= arch_irq_stat_cpu(i);
>  
> @@ -175,7 +175,7 @@ static int show_stat(struct seq_file *p, void *v)
>  		softirq		= cpustat[CPUTIME_SOFTIRQ];
>  		steal		= cpustat[CPUTIME_STEAL];
>  		guest		= cpustat[CPUTIME_GUEST];
> -		guest_nice	= cpustat[CPUTIME_USER];
> +		guest_nice	= cpustat[CPUTIME_GUEST_NICE];
>  		seq_printf(p, "cpu%d", i);
>  		seq_put_decimal_ull(p, " ", nsec_to_clock_t(user));
>  		seq_put_decimal_ull(p, " ", nsec_to_clock_t(nice));
> -- 
> 2.23.0
> 

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2019-12-05  0:39 [PATCH] /proc/stat: fix wrong cpustat gnice value Flavio Leitner
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